the fbi says it is investigating what is going on. but it appears that only the two agents were involved in that gunfire. >>> and an extraordinary trial in vatican city ending with a guilty verdict. the former butler to pope benedict xvi was sentenced to 18 months in prison for stealing confidential documents and passing them on. the vatican says the pope will most likely pardon him. >>> and leaders saying this man killed soldiers before defecting, they heard gunshots before the soldier crossed the heavily armed guard between the two countries. thousands defect each year from north korea. >>> and today, the cdc announc d bacterial meningitis cases were found. dr. sanjay gupta explains how the meningitis cases got started. >> dr., we're talking about fungal meningitis. and it is not as common, we're hearing about the bacteria, treated with antibiotics, or the most common, which is viral meningitis. we typically hear about that on college campuses. fungal meningitis can be very serious, the good news is, it is not always spread easily.